package com.qijian.framework.interceptor.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.qijian.common.annotation.RepeatSubmit;
import com.qijian.common.constant.Constants;
import com.qijian.common.core.redis.RedisCache;
import com.qijian.common.filter.RepeatedlyRequestWrapper;
import com.qijian.common.utils.StringUtils;
import com.qijian.common.utils.http.HttpHelper;
import com.qijian.common.utils.reflect.ReflectUtils;
import com.qijian.framework.interceptor.RepeatSubmitInterceptor;
import org.jetbrains.annotations.NotNull;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * 判断请求url和数据是否和上一次相同，
 * 如果和上次相同，则是重复提交表单。 有效时间为10秒内。
 *
 * @author qj
 */
@Component
public class SameUrlDataInterceptor extends RepeatSubmitInterceptor {
    public final String REPEAT_PARAMS = "repeatParams";

    public final String REPEAT_TIME = "repeatTime";

    // 令牌自定义标识
    @Value("${token.header}")
    private String header;

    @Autowired
    private RedisCache redisCache;

    @SuppressWarnings("unchecked")
    @Override
    public boolean isRepeatSubmit(HttpServletRequest request, RepeatSubmit annotation) {
        Map<String, Object> nowDataMap = new HashMap<>();
        String url = request.getRequestURI();
        String cacheRepeatKey = getCacheData(request,nowDataMap,url);

        Object sessionObj = redisCache.getCacheObject(cacheRepeatKey);
        if (sessionObj != null) {
            Map<String, Object> sessionMap = (Map<String, Object>) sessionObj;
            // 对批量工单进行单独处理
            if (sessionMap.containsKey(url) && url.equals("/maindata/project/generateWorkAndNc")) {
                Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
                if (compareParamsOrder(nowDataMap, preDataMap,"1") && compareTime(nowDataMap, preDataMap, annotation.interval())) {
                    return true;
                }
            }if (sessionMap.containsKey(url) && url.equals("/maindata/factoryPlan/generateProcessOrder")) {
                Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
                if (compareParamsOrder(nowDataMap, preDataMap,"2") && compareTime(nowDataMap, preDataMap, annotation.interval())) {
                    return true;
                }
            }else {
                Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
                if (compareParams(nowDataMap, preDataMap) && compareTime(nowDataMap, preDataMap, annotation.interval())) {
                    return true;
                }
            }
        }
        Map<String, Object> cacheMap = new HashMap<>();
        cacheMap.put(url, nowDataMap);
        redisCache.setCacheObject(cacheRepeatKey, cacheMap, annotation.interval(), TimeUnit.MILLISECONDS);
        return false;
    }

    @Override
    public void dealCache(HttpServletRequest request, RepeatSubmit annotation) {
        Map<String, Object> nowDataMap = new HashMap<>();
        String url = request.getRequestURI();
        String cacheRepeatKey = getCacheData(request,nowDataMap,url);
        redisCache.deleteObject(cacheRepeatKey);
    }

    @NotNull
    private String getCacheData(HttpServletRequest request,Map<String, Object> nowDataMap,String url) {
        String nowParams = "";
        if (request instanceof RepeatedlyRequestWrapper) {
            RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request;
            nowParams = HttpHelper.getBodyString(repeatedlyRequest);
        }

        // body参数为空，获取Parameter的数据
        if (StringUtils.isEmpty(nowParams)) {
            nowParams = JSONObject.toJSONString(request.getParameterMap());
        }

        nowDataMap.put(REPEAT_PARAMS, nowParams);
        nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());

        // 唯一值（没有消息头则使用请求地址）
        String submitKey = request.getHeader(header);
        if (StringUtils.isEmpty(submitKey)) {
            submitKey = url;
        }

        // 唯一标识（指定key + 消息头）
        String cacheRepeatKey = Constants.REPEAT_SUBMIT_KEY + submitKey;
        return cacheRepeatKey;
    }

    /**
     * 判断参数是否相同
     */
    private boolean compareParams(Map<String, Object> nowMap, Map<String, Object> preMap) {
        String nowParams = (String) nowMap.get(REPEAT_PARAMS);
        String preParams = (String) preMap.get(REPEAT_PARAMS);
        return nowParams.equals(preParams);
    }


    private boolean compareParamsOrder(Map<String, Object> nowMap, Map<String, Object> preMap,String type) {
        JSONArray o = JSON.parseArray((String) nowMap.get(REPEAT_PARAMS));
        JSONArray o1 = JSON.parseArray((String) preMap.get(REPEAT_PARAMS));
        boolean flag = false;
        if (type.equals("1")) {
            for (int i = 0; i < o.size(); i++) {
                if (false){
                    break;
                }
                String projectId = o.getJSONObject(i).get("projectId").toString();
                for (int j = 0; j < o1.size(); j++) {
                    String projectId1 = o1.getJSONObject(j).get("projectId").toString();
                    if (projectId.equals(projectId1)) {
                        flag = true;
                        break;
                    }
                }
            }
        }
        //数组
        if (type.equals("2")) {
            for (int i = 0; i < o.size(); i++) {
                if (false){
                    break;
                }
                String projectId = o.get(i).toString();
                for (int j = 0; j < o1.size(); j++) {
                    String projectId1 = o1.get(j).toString();
                    if (projectId.equals(projectId1)) {
                        flag = true;
                        break;
                    }
                }
            }
        }
        return flag;
    }

    /**
     * 判断两次间隔时间
     */
    private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap, int interval) {
        long time1 = (Long) nowMap.get(REPEAT_TIME);
        long time2 = (Long) preMap.get(REPEAT_TIME);
        return (time1 - time2) < interval;
    }
}
